Merge pull request #45 from nikicat/master

fixed "containers restart": render files before starting
Bump version: 8.0 → 8.1
Added dominator.utils.stoppable() for interruptable RUN
Merge pull request #46 from mdevaev/stoppable

Added dominator.utils.stoppable() for interruptable RUN
do not pull SourceImage when creating it
retrieve non-source image ids when generating obedient
LogFile: make format arg optional